1393055 has 4 divisors (see below), whose sum is σ = 1671672. Its totient is φ = 1114440.

The previous prime is 1393043. The next prime is 1393069. The reversal of 1393055 is 5503931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5503931 = 239 ⋅23029.

It is not a de Polignac number, because 1393055 - 2⁴ = 1393039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139301 + ... + 139310.

It is an arithmetic number, because the mean of its divisors is an integer number (417918).

2^1393055 is an apocalyptic number.

1393055 is a deficient number, since it is larger than the sum of its proper divisors (278617).

1393055 is an equidigital number, since it uses as much as digits as its factorization.

1393055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278616.

The product of its (nonzero) digits is 2025, while the sum is 26.

The square root of 1393055 is about 1180.2775097408. The cubic root of 1393055 is about 111.6836042722.

Adding to 1393055 its reverse (5503931), we get a palindrome (6896986).

The spelling of 1393055 in words is "one million, three hundred ninety-three thousand, fifty-five".